function contributors() {
		$authors = array();
		// roles you want to include
		$roles = array('administrator', 'editor','author','contributor');

		foreach ($roles as $role)  {
			$users_query = get_users(
				array(
				  'fields' => array('ID', 'user_nicename'),
				  'role' => $role
				)
			);
			if($users_query) {
				$authors = array_merge($authors, $users_query);
			}
		}

		if(!empty($authors)) {

			foreach($authors as $author) {

				echo '<div class="authWrap">';
				echo '<div class="authPic">';
				echo "<a href=\"".get_bloginfo('url')."/?author=";
				echo $author->ID;
				echo "\">";
				echo get_avatar($author->ID,$size = '50');
				echo "";
				echo "</div>";
				echo '<div class="authName">';
				echo "<a href=\"".get_bloginfo('url')."/?author=";
				echo $author->ID;
				echo "\">";
				the_author_meta('display_name', $author->ID);
				echo "</a>";
				echo "</div>";
				echo "</div>";
			}
		}
	}